2014AJ....147...28G

Query : 2014AJ....147...28G

2014AJ....147...28G - Astron. J., 147, 28 (2014/February-0)

Stellar multiplicity of the open cluster ASCC 113.

GUERRERO C.A., ORLOV V.G., MONROY-RODRIGUEZ M.A. and VOITSEKHOVICH V.V.

Abstract (from CDS):

We present a high angular resolution survey for binary and multiple stars in the Galactic open cluster ASCC 113. Our observations were conducted on the 2.1 m telescope of the Observatorio Astronómico Nacional, Sierra San Pedro Mártir, México. Combining our results with data taken from the literature, we found a ratio of the number of single to binary stars to be 27:7 for the most probable members, so the multiplicity fraction for this cluster is 20.6%±3%. We also observed field stars in the vicinity of the cluster and estimated a ratio of multiplicities to be 125:27:4:1:0:0:0:1 (between one and eight companions), equivalent to a multiplicity fraction of 20.9%±1%. We estimated the number of undetected companions in our sample to be very small. Comparing the multiplicity frequency of the cluster with the frequency of the field, we concluded that they are statistically indistinguishable from each other. We provide a brief review on the topic of stellar multiplicity in open clusters.

Abstract Copyright: ∼

Journal keyword(s): binaries: close - open clusters and associations: individual: ASCC 113

Simbad objects: 47

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Number of rows : 47
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Cl Melotte 20 MGr 03 26 50.6 +48 51 48           ~ 928 0
2 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
3 Cl Melotte 25 OpC 04 30 27.4 +16 46 43           ~ 3309 0
4 NGC 2632 OpC 08 39 58.4 +19 36 33           ~ 1733 0
5 HD 201561 * 21 09 08.3224401696 +38 43 45.119008884   8.74 7.46     K2 15 0
6 BD+38 4363 * 21 09 09.8075219928 +38 45 34.500189384   9.67 9.55     A0 5 0
7 BD+38 4367 ** 21 09 44.2105 +38 56 02.310   10.07 9.11     K0 6 0
8 BD+38 4368 * 21 10 14.3937898488 +38 44 10.513349772   10.76 10.16     ~ 2 0
9 TYC 3169-2494-1 * 21 10 14.8840484136 +38 44 27.114100548   11.86 11.69     ~ 2 0
10 BD+38 4369B * 21 10 27.0424195728 +38 51 36.421636500   11.33 10.96     ~ 4 0
11 BD+38 4369 * 21 10 27.3808651848 +38 51 11.642272668   9.88 9.86     A2 5 0
12 GSC 03169-01966 ** 21 10 46.6671084888 +38 13 58.422551628   10.57 10.42 10.46   ~ 8 0
13 TYC 3169-1966-1 * 21 10 46.684739 +38 13 58.46113   11.14 11.09     ~ 2 0
14 BD+37 4210 ** 21 10 57.103272 +38 30 32.92128   9.96 9.77 9.90   A1IV 7 0
15 BD+37 4213 ** 21 11 09.37920 +38 20 17.0052           ~ 4 0
16 BD+38 4377 * 21 11 12.1500785448 +38 55 28.574933484   9.987 9.943 10.339   A0IV 13 0
17 [KPR2005] 113 OpC 21 11 54.5 +38 44 19           ~ 49 0
18 TYC 3169-2608-1 * 21 12 19.8562886064 +38 28 19.763918976   11.42 11.17     ~ 2 0
19 GSC 03169-02253 ** 21 12 20.4125525376 +38 07 50.532247020   11.26 11.03 11.05   ~ 2 0
20 TYC 3169-2253-1 * 21 12 20.413810 +38 07 50.79339   11.80 11.63     ~ 2 0
21 BD+37 4221 ** 21 12 20.7932037336 +38 10 02.599642380   10.19 10.01     ~ 6 0
22 HD 202088 * 21 12 29.5144694160 +38 33 59.368152132   7.225 7.336     B9 18 0
23 BD+37 4222B * 21 12 30.4538712504 +38 34 25.063206384     10.5     ~ 8 0
24 BD+38 4391 ** 21 12 34.5417753244 +38 46 02.316743026   9.70 9.56     B8 7 0
25 BD+38 4395 * 21 12 48.4131688512 +39 06 40.761190368   9.57 9.30     A5 5 0
26 ** SEI 1447B * 21 12 48.8 +39 06 28     12.2     ~ 1 0
27 HD 202183B * 21 13 01.1922836232 +38 57 38.011730832           ~ 1 0
28 HD 202183 * 21 13 01.5779744160 +38 57 33.219896544   8.19 8.11     A0 11 0
29 TYC 3169-901-1 * 21 13 13.698637 +39 04 22.25419   11.59 11.40     ~ 2 0
30 GSC 03169-00901 ** 21 13 13.7107786968 +39 04 22.197430056   11.29 10.98 11.02   ~ 2 0
31 TYC 3169-1723-1 * 21 13 16.3269931584 +38 03 10.959589080   11.35 10.23     ~ 2 0
32 TYC 3169-2280-1 * 21 13 27.2698054848 +38 35 27.352510332   10.61 10.49     ~ 4 0
33 2MASS J21132844+3835170 * 21 13 28.4377920504 +38 35 16.972010376     11.5     ~ 1 0
34 TYC 3169-2801-1 * 21 13 55.0959224088 +38 08 57.975654948   12.41 11.80     ~ 3 0
35 TYC 3169-944-1 * 21 13 55.2013729706 +38 08 37.091357526   12.412 12.079 12.049   ~ 2 0
36 BD+37 4233 ** 21 13 56.0921 +38 29 54.886   9.22 9.23     B8 10 0
37 TYC 3169-1346-1 SB* 21 14 23.9383742352 +38 03 13.610144880   11.97 11.60     ~ 3 0
38 2MASS J21143504+3831234 * 21 14 35.0441559624 +38 31 23.338613280     11.0     ~ 1 0
39 BD+37 4237 * 21 14 39.3326051136 +37 59 43.441237428   10.05 9.92     ~ 19 0
40 UCAC3 257-235378 SB* 21 14 40.4927900352 +38 02 27.697153704   14.46 13.03 12.57   ~ 5 0
41 UCAC3 257-235441 * 21 14 44.4417183768 +38 01 47.002390392   13.53 12.00 12.85   ~ 4 0
42 G 211-14 ** 21 14 46.8666501893 +38 01 14.288122274   13.32 11.946 11.63   M2.5V 50 1
43 * tau Cyg B PM* 21 14 47.462719 +38 02 44.14010   7.50 6.57     ~ 17 1
44 * tau Cyg dS* 21 14 47.49252 +38 02 43.1441 4.140 4.120 3.730 3.38 3.14 F2IV 287 0
45 TYC 3169-31-1 * 21 14 50.4134874096 +39 01 04.127466504   13.02 11.05     ~ 2 0
46 UCAC3 257-235631 * 21 14 57.2542967184 +38 02 08.867637204   13.88 12.23 11.90   ~ 2 0
47 LSR J2115+3804 PM* 21 15 31.6212168729 +38 04 39.809234703   16.8   15.53   usdK7 10 0

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